A Radar Pulse Returns 2

question 3

Multiple Choice

A radar pulse returns 2.0 × 10−⁴ seconds after it is sent out,having been reflected by an object.What is the distance between the radar antenna and the object? (c = 3.00 × 10⁸ m/s)

• A) 3.0 × 10⁴ m
• B) 4.5 × 10⁴ m
• C) 9.0 × 10⁴ m
• D) 6.0 × 10⁴ m

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